QuakeIndex

Earthquake · reviewed by a seismologist

M 2.8md

5 km W of Dell, Arkansas

· 5.9 km deep · released about 450 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Mississippi County 10 kmDunklin County 34 kmLauderdale County 44 kmCraighead County 48 kmPemiscot County 49 kmTipton County 50 kmGreene County 52 kmPoinsett County 61 kmClay County 65 km
Distance rings around the epicentre, with the nearest towns at their true direction and later quakes as coloured dots. Not a shaking map — see the USGS ShakeMap for that.
When
Magnitude
M 2.8 (md)
Depth
5.9 km below the surface
Felt
35 reports · strongest reported intensity IV
Nearest
Mississippi County, 10 km SSE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 823 days ago

This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage. 35 people have reported feeling it to USGS.

How big was it?

This earthquake released about 450 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.8 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 34,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 24,000× the energy of this one
  3. Around the size people start to feel M 3.0 2.1× the energy of this one
  4. This earthquake M 2.8 about 450 lb of TNT

Energy from the Gutenberg–Richter relation (log10E = 1.5M + 4.8), rounded to two figures; bar length is magnitude, which is already a logarithm of energy. Magnitudes of past earthquakes from the USGS catalogue.

Where

Epicentre 35.8467, -90.0997. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Mississippi County, AR 10 km (6 mi) NNW of here earthquakes near Mississippi County
Dunklin County, MO 34 km (21 mi) S of here earthquakes near Dunklin County
Lauderdale County, TN 44 km (27 mi) WNW of here earthquakes near Lauderdale County
Craighead County, AR 48 km (30 mi) E of here earthquakes near Craighead County
Pemiscot County, MO 49 km (31 mi) SW of here earthquakes near Pemiscot County
Tipton County, TN 50 km (31 mi) NW of here earthquakes near Tipton County

Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.

Aftershocks so far

53 earthquakes have been recorded within 50 km since this one.

  1. 1.8 1 km NNW of Cooter, Missouri
  2. 2.6 1 km NNW of Cooter, Missouri
  3. 1.6 4 km E of Steele, Missouri
  4. 2.2 1 km NNW of Cooter, Missouri
  5. 1.9 7 km ENE of Steele, Missouri
  6. 2.0 4 km NE of Dell, Arkansas
  7. 1.7 2 km N of Blytheville, Arkansas
  8. 2.4 3 km ENE of Dell, Arkansas
  9. 2.2 6 km NNE of Dell, Arkansas
  10. 2.1 4 km E of Steele, Missouri
  11. 2.9 4 km ENE of Steele, Missouri
  12. 2.5 5 km ENE of Steele, Missouri
  13. 2.1 6 km ENE of Steele, Missouri
  14. 2.1 7 km WSW of Etowah, Arkansas
  15. 2.4 6 km ENE of Steele, Missouri

Counted from the QuakeIndex database, which ingests the USGS feed every 30 seconds · as of . QuakeIndex does not forecast aftershocks. When USGS issues an operational aftershock forecast it appears on the USGS event page.

On USGS

QuakeIndex does not issue warnings. For earthquake early warning see ShakeAlert.